*{
  padding: 0;
  margin: 0;
}

/* 主界面 */
#content{
  position:relative;
  width:100%;
  min-height:650px;
  background-image: url("../images/login3.png");
  background-repeat: no-repeat;
  background-position: center;
}

/* 底部版权声明或者技术支持 */
#copyright{
  width: 100%;
  height:30px;
  line-height:30px;
  font-size:18px;
  align-content: center;
  text-align: center;
  color:rgb(255, 255, 255);
  background-color:#010e17;
}